12121201195 has 32 divisors (see below), whose sum is σ = 16087144320. Its totient is φ = 8726108160.

The previous prime is 12121201187. The next prime is 12121201201. The reversal of 12121201195 is 59110212121.

It is not a de Polignac number, because 12121201195 - 2³ = 12121201187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230025 + ... + 277765.

It is an arithmetic number, because the mean of its divisors is an integer number (502723260).

Almost surely, 2^12121201195 is an apocalyptic number.

12121201195 is a deficient number, since it is larger than the sum of its proper divisors (3965943125).

12121201195 is a wasteful number, since it uses less digits than its factorization.

12121201195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47895.

The product of its (nonzero) digits is 360, while the sum is 25.

The spelling of 12121201195 in words is "twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred ninety-five".